

Atlantex Power vs Constellation: Texas Electricity Head-to-Head
Atlantex Power offers 104 plans starting at 5.9c/kWh while Constellation has 13 plans from 11.8c/kWh across all 6 Texas TDU service areas. Here is how their rates, terms, renewable options, and fees compare.
Rate Curve Comparison
Lowest average rate across all usage levels (7.9c/kWh vs 12.5c/kWh). Consistent pricing regardless of how much electricity you use.
Shows the best available all-in rate from each provider at 500, 1,000, and 2,000 kWh usage levels. The best plan may differ at each tier.
Best Plan Per Term Length
| Term | Atlantex Power Best Plan | Rate | Fee | Constellation Best Plan | Rate | Fee | Winner |
|---|---|---|---|---|---|---|---|
| 12 Month | Radiance1000 12EFL | 5.9c | $150 flat | 12 Month Usage Bill Credit EFL | 11.9c | $150 flat | Atlantex Power |
| 24 Month | Radiance1000 24EFL | 6.4c | $150 flat | 14 Month Usage Bill CreditEFL | 11.8c | $150 flat | Atlantex Power |
| 36 Month | Radiance1000 36EFL | 6.8c | $150 flat | N/A | N/A | N/A | Atlantex Power |
Plan Type Breakdown
Atlantex Power
Constellation
Cancellation Fee Comparison
Atlantex Power
Constellation
Renewable Energy Deep Dive
Atlantex Power
Constellation
Full Plan Tables
Atlantex Power (0 plans)
No plans available in this service area.
Constellation (0 plans)
No plans available in this service area.
Which Provider Fits You Better?
Looking for the Lowest Rate?
Better fit: Atlantex Power
Atlantex Power has the lower advertised rate at 5.9c/kWh (1,000 kWh usage), compared to 11.8c/kWh.
Want a Long-Term Price Lock?
Better fit: Atlantex Power
Atlantex Power has the better option for locking in a rate on a 24-month or longer contract.
Going Green?
Better fit: Atlantex Power
Atlantex Power offers more 100% renewable plans (24 vs 0).
Need Flexibility?
Better fit: Atlantex Power
Atlantex Power uses a per-month cancellation structure, so your fee decreases over time - making it easier to switch later.
These rates are based on 1,000 kWh average usage. Your actual savings depend on YOUR usage pattern.
WattTrim analyzes your real Smart Meter data to find the plan that saves you the most - across all providers, not just these two.
Always Free
Trim My BillFrequently Asked Questions
Is Atlantex Power cheaper than Constellation?
Based on current plan data, Atlantex Power has the lower advertised rate, offering plans starting at 5.9c/kWh compared to 11.8c/kWh from the other provider at 1,000 kWh of usage. Your actual cost depends on your usage pattern and the specific plan you choose.
Does Atlantex Power offer renewable energy plans compared to Constellation?
Atlantex Power offers 24 plans (23% of its lineup) at 100% renewable energy, while Constellation offers 0 plans (0% of its lineup).
What are the cancellation fees for Atlantex Power vs Constellation?
Atlantex Power charges $20 - $150 (mixed fee types) on its tracked plans, while Constellation charges $150 flat on its tracked plans. Always review the Electricity Facts Label (EFL) for the exact fee structure before enrolling.
Which provider has more plan options in Texas, Atlantex Power or Constellation?
Atlantex Power currently offers more plan options across the Texas TDU areas we track, with 104 plans compared to 13.
Can I switch from Atlantex Power to Constellation?
Yes. Texas is a deregulated electricity market, so you can switch retail electric providers at any time. If you are still under contract with your current provider, check for an early termination fee before switching. New service with either provider typically starts within 1 to 5 business days of enrollment.